An entrepreneur gets emotional when pitching her language teaching for kids.

An entrepreneur hopes for investment in her range of dolls with historical tales to tell.

Touker Suleyman gets more than he bargained for when he road tests a waxing product.

The Dragons ponder the investment potential in pop-up inflatable igloos.

A young duo pitch their innovative ticket comparison site.

Richard Osman presents the most shocking and emotional pitches of the last two years.

A teacher tries to get the party started with his dance mats.

A former panel beater hopes to seal a deal with his innovative nail gel product.

A former merchant navy officer tries to make a stand with his novel tablet holder.

A transatlantic duo pitch their unique coffee lid.

It is sink or swim for a businessman pitching his portable water-saving product.

It is handbags at dawn as Touker Suleyman clashes with a fledgling fashion business.

The Den's multimillionaire investors probe the money-making potential in wearable maps.

The Dragons ponder pint-sized pencils, oversized beanbags and a boot-cleaning device.

Richard Osman presents the most extraordinary moments from Dragons' Den.

A former barrister gets a lesson in margins from Touker Suleyman.

Pitches include a trailer tent tall enough to stand up in and a self-serve beer pump.

The Den is left a little deflated over a nervous pitch for an inflatable tanning tent.

The humble hard-boiled egg is turned into an investment proposition.

A former figure skater from Russia ends up skating on thin ice with Peter Jones.

The Dragons turn fifty shades of angry over a product that promises to banish grey hairs.

The Dragons go back to school with a storage business for public schools.

A former banker is looking for £2 million to renovate an old London Underground station.

The Dragons quiz an Anglo-French duo about their hair-raising business venture.

A team from Liverpool take the Dragons on a tour of the Den in their electric tuk tuk.